shithub: choc

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Update i_oplmusic.c

--- a/src/i_oplmusic.c

+++ b/src/i_oplmusic.c

@@ -715,10 +715,10 @@

 static unsigned int FrequencyForVoice(opl_voice_t *voice)

 {

     genmidi_voice_t *gm_voice;

-    unsigned int freq_index;

+    signed int freq_index;

     unsigned int octave;

     unsigned int sub_index;

-    unsigned int note;

+    signed int note;

     note = voice->note;

@@ -754,6 +754,11 @@

         freq_index += (voice->current_instr->fine_tuning / 2) - 64;

     }

+    if (freq_index < 0)

+    {

+    	freq_index = 0;

+    }

+    

     // The first 7 notes use the start of the table, while

     // consecutive notes loop around the latter part.